/**
* @author AlbertDarren
* @contact 2563491540@qq.com
*/
#include <iostream>

using namespace std;

int main_8()
{
    int a,b,temp;
    cin>>a>>b;
    temp=a;
    a=b;
    b=temp;
    printf("%d %d\n",a,b);
	return 0;
}
